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Home/Compounds/CAS 2116-84-9
Formula C15H32O3Si4MW 372.75Research-use catalog entryCOA/SDS by request

1,1,1,5,5,5-Hexamethyl-3-phenyl-3-(trimethylsilyloxy)trisiloxane

CAS Number: 2116-84-9

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Loading RDKit molecule structure...
InChIKey: LINXHFKHZLOLEI-UHFFFAOYSA-NC15H32O3Si4 | MW 372.75

Chemical Absolute Identifiers

CAS Number

2116-84-9

PubChem CID

62427

Molecular Formula

C15H32O3Si4

Molecular Weight

372.75 g/mol

Exact Mass

372.142851

InChIKey

LINXHFKHZLOLEI-UHFFFAOYSA-N

IUPAC Name

trimethyl-[phenyl-bis(trimethylsilyloxy)silyl]oxysilane

SMILES String

C[Si](C)(C)O[Si](C1=CC=CC=C1)(O[Si](C)(C)C)O[Si](C)(C)C

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

1,1,1,5,5,5-Hexamethyl-3-phenyl-3-(trimethylsilyloxy)trisiloxane (CAS 2116-84-9) is listed in the Advanced Chemicals portfolio, with molecular formula C15H32O3Si4 and molecular weight 372. 75 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Organic Building BlocksSynthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Handling & Storage

  • Keep container tightly closed and dry.
  • Store in a well-ventilated place.

PPE

Respiratory protection if needed

First Aid

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  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity and stability.
  • Carbon monoxide, carbon dioxide, silicon oxides.

Disposal

  • Waste product.
  • Dispose of remaining and non-recyclable solutions to a licensed company.
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Fire Fighting

  • If necessary, wear a self-contained breathing apparatus during firefighting.

Accidental Release

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  • Sweep and shovel up.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

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Names & Synonyms / External Identifiers

Chemical Name

1,1,1,5,5,5-Hexamethyl-3-phenyl-3-(trimethylsilyloxy)trisiloxane

Names & Synonyms

Phenyltris(trimethylsiloxy)silane1,1,1,5,5,5-hexamethyl-3-phenyl-3-((trimethylsilyl)oxy)trisiloxaneTris(trimethylsiloxy)phenylsilaneC15H32O3Si4s21150
Show all synonyms
1,1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]trisiloxaneTrisiloxane, 1,1,1,5,5,5-hexamethyl-3-phenyl-3-((trimethylsilyl)oxy)-Dow Corning 556Gransil PM-56Silicone DC 556Phenyl trimethyl siloxane556 Phenyl Trimethiconetrimethyl-[phenyl-bis(trimethylsilyloxy)silyl]oxy-silanephenyl tris(trimethylsiloxy)silanePhenyltris(trimethylsiloxyl)silanePhenyltris(trimethylsilyloxy)silaneDC 556M3T(Ph): tris(trimethylsiloxy)phenylsilaneH1460
External Identifiers
EC NUMBER: 218-320-6DSSTOX SUBSTANCE ID: DTXSID6051857UNII: S3QI0ZXT5XWIKIDATA ID: Q27288541WIKIDATA ID: Q72514583
Experimental Spectrum References
13C NMR Spectra

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

1,2-Bis(trimethylsilyl)benzeneCAS 17151-09-6
1,4-Bis(triethoxysilyl)benzeneCAS 2615-18-1
Trimethoxy(p-tolyl)silaneCAS 17873-01-7
1-Phenyl-2-(trimethylsilyl)acetyleneCAS 2170-06-1
Trimethoxy(4-methoxyphenyl)silaneCAS 35692-27-4

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 2116-84-9

What are the key identifiers for 1,1,1,5,5,5-Hexamethyl-3-phenyl-3-(trimethylsilyloxy)trisiloxane (CAS 2116-84-9)?

1,1,1,5,5,5-Hexamethyl-3-phenyl-3-(trimethylsilyloxy)trisiloxane is identified by CAS 2116-84-9, with molecular formula C15H32O3Si4, molecular weight 372.75, InChIKey LINXHFKHZLOLEI-UHFFFAOYSA-N.

Can I request a COA for CAS 2116-84-9?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for 1,1,1,5,5,5-Hexamethyl-3-phenyl-3-(trimethylsilyloxy)trisiloxane?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 2116-84-9 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

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